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    Butterfly Lake to Castle Lake Trail

    This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
    This reflects the estimated time the majority of users will take on this trail. If you are slower, add time to the top-end figure. If you are fast, then you may complete this route faster than this time range.
    This reflects the return distance of this route as measured by the GPS file.
    2.1 km
    This reflects the total elevation gained throughout this route as measured by the GPS file. This includes all ascents and descents, and is higher than what is quoted in most route guides, which simply measure the distance between the starting-point and high-point of the route.
    30 m
    User Ratings
    These ratings are completed by users who have completed this trail and not subject to reviews by 10Adventures.
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    Directions to Trailhead

    The Butterfly Lake to Castle Lake Trail is a short and sweet hike east of Park City. This trail is rugged and can be tricky to navigate as it leads you to a beautiful, secluded lake in the Utah wilderness. Castle Lake itself is a great spot to spend the day fishing, swimming, and bird watching in the western Uintas.

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    Route Description for Butterfly Lake to Castle Lake Trail

    The hike from Butterfly Lake to Castle Lake is an adventurous little trail in the western Uintas. This trail does not get a lot of traffic and can therefore be tricky to navigate. We suggest downloading a map and/or bringing a GPS along on this hike, especially if you are not experienced with route-finding. If you are up for a little adventure, the trail from Butterfly Lake will lead you away from the crowds to a secluded slice of alpine paradise. Castle Lake is a great spot to enjoy the beauty and peace of the Utah wilderness with loved ones, on your own, or with your favorite four-legged friend.

    From Butterfly Lake, follow the south shore of the lake and look for a trail heading westward. Make your way along this trail, and keep an eye out for cairns that will lead you west to Castle Lake.

    Enjoy your time at Castle Lake, and, when you are ready, simply retrace your steps back to Butterfly Lake, where you began.

    Getting to the Butterfly Lake to Castle Lake Trail Trailhead

    From Kamas, Utah, head east on highway 150 for 54.7 km then park at Butterfly Lake on the west side of the highway.

    Route Information

    • Backcountry Campground

      Butterfly Lake Campground

    • When to do

      May to October

    • Pets allowed

      Yes - On Leash

    • Family friendly

      Older Children only

    • Route Signage


    • Crowd Levels


    • Route Type

      Out and back

    Butterfly Lake to Castle Lake Trail Elevation Graph

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    Butterfly Lake to Castle Lake Trail Reviews

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